<h3 align='left'>Personal Info</h3>
<center>
<?php

$tbl = 'students15';
$rollno = $user;
$sname = $_POST["sname"];
$category = $_POST["category"];
$program = $_POST["program"];
$batch = $_POST["batch"];
$semester = $_POST["semester"];
$fees = $_POST["fees"];
$email = $_POST["email"];
$mobile = $_POST["mobile"];

if ($_POST['submit'] == 'SAVE']) {
	if (mysql_num_rows(mysql_query("select * from $tbl where enrollno='$enrollno'"))) {
		mysql_query("update $tbl set sname='$sname',category='$category',program='$program',
		batch=$batch,semester=$semester,fees=$fees,email='$email',mobile=$mobile,
		where enrollno='$enrollno'");
	} else {
		//mysql_query("insert into $tbl(sname,category,program,batch,semester,fees,email,mobile)
		//values('$sname','$category','$program',$batch,$semester,$fees,'$email',$mobile)";
	}
}

if ($rollno) {
        $rs = mysql_query("select * from $tbl where enrollno='$rollno'");
	if (mysql_num_rows($rs)) {
		$o = mysql_fetch_object($rs);
		$sname = $o->sname;
		$category = $o->category;
		$program = $o->program;
		$batch = $o->batch;
		$semester = $o->semester;
		$fees = $o->fees;
		$email = $o->email;
		$mobile = $o->mobile;
	}

	echo "<table>
	<tr><td>Name</td><td><input type='text' name='sname' value='$sname' size='40'></td></tr>
	<tr><td>Category</td><td><input type='text' name='category' value='$category' size='40'></td></tr>
	<tr><td>Email</td><td><input type='text' name='email' value='$email' size='40'></td></tr>
	<tr><td>Mobile</td><td><input type='text' name='mobile' value='$mobile' size='40'></td></tr>
	<tr><td>Program</td><td><input type='text' name='program' value='$program' size='40' readonly></td></tr>
	<tr><td>Batch</td><td><input type='text' name='batch' value='$batch' size='40' readonly></td></tr>
	<tr><td>Semester</td><td><input type='text' name='semester' value='$semester' size='40' readonly></td></tr>
	<tr><td>Fees</td><td><input type='text' name='fees' value='$fees' size='40' readonly></td></tr>
	<tr><th colspan='2'><input type='submit' name='submit' value='SAVE'></th></tr>
	</table>";
}

?>
</center>